diff --git a/bin/particleFoam b/bin/particleFoam
index 388c34139e..c5bd6ef1a6 100755
--- a/bin/particleFoam
+++ b/bin/particleFoam
@@ -36,7 +36,7 @@
 #     fvModel is selected to evolve the Lagrangian particles.  See:
 #
 #         tutorials/modules/incompressibleFluid/hopperParticles
-#         tutorials/modules/incompressibleFluid/mixerVessel2DParticles
+#         tutorials/modules/incompressibleFluid/mixerVesselHorizontal2DParticles
 #
 #------------------------------------------------------------------------------
 
@@ -53,7 +53,7 @@ physical fields needed by fvModel functionObject in which the clouds fvModel is
 selected to evolve the Lagrangian particles.  See:
 
     tutorials/modules/incompressibleFluid/hopperParticles
-    tutorials/modules/incompressibleFluid/mixerVessel2DParticles
+    tutorials/modules/incompressibleFluid/mixerVesselHorizontal2DParticles
 
 EOF
 
diff --git a/etc/caseDicts/solvers/lagrangian/cloudProperties b/etc/caseDicts/solvers/lagrangian/cloudProperties
index 2695f01a3e..d7f4e52d41 100644
--- a/etc/caseDicts/solvers/lagrangian/cloudProperties
+++ b/etc/caseDicts/solvers/lagrangian/cloudProperties
@@ -69,9 +69,8 @@ subModels
 
             U0               (1 0 0);
 
-            parcelBasisType  mass; // fixed;
+            uniformParcelSize volume;
             massTotal        1e-3;
-            // nParticle        100; // Required for fixed parcelBasisType
 
             sizeDistribution
             {
diff --git a/src/lagrangian/parcel/submodels/Momentum/InjectionModel/CellZoneInjection/CellZoneInjection.H b/src/lagrangian/parcel/submodels/Momentum/InjectionModel/CellZoneInjection/CellZoneInjection.H
index dbb9114074..ae3f3cc300 100644
--- a/src/lagrangian/parcel/submodels/Momentum/InjectionModel/CellZoneInjection/CellZoneInjection.H
+++ b/src/lagrangian/parcel/submodels/Momentum/InjectionModel/CellZoneInjection/CellZoneInjection.H
@@ -30,7 +30,6 @@ Description
 
     User specifies:
       - Number density of particles in cell set (effective)
-      - Total mass to inject
       - Initial parcel velocity
 
     Properties:
diff --git a/src/lagrangian/parcel/submodels/Momentum/InjectionModel/ConeInjection/ConeInjection.H b/src/lagrangian/parcel/submodels/Momentum/InjectionModel/ConeInjection/ConeInjection.H
index ca0e82f276..b5b5918a92 100644
--- a/src/lagrangian/parcel/submodels/Momentum/InjectionModel/ConeInjection/ConeInjection.H
+++ b/src/lagrangian/parcel/submodels/Momentum/InjectionModel/ConeInjection/ConeInjection.H
@@ -84,12 +84,15 @@ Usage
             duration        1;
 
             // Quantities
-            massTotal       0; // <-- not used with these settings
-            parcelBasisType fixed;
             parcelsPerSecond 1000000;
-            flowRateProfile constant 1;
+
+            // - Inject parcels with a fixed number of particles
             nParticle       1;
 
+            //// - Or, inject a specified mass of particles
+            //massTotal       6.0e-6;
+            //uniformParcelSize volume;
+
             // Sizes
             sizeDistribution
             {
diff --git a/src/lagrangian/parcel/submodels/Momentum/InjectionModel/ManualInjection/ManualInjection.H b/src/lagrangian/parcel/submodels/Momentum/InjectionModel/ManualInjection/ManualInjection.H
index e9a92307d6..ecdd260494 100644
--- a/src/lagrangian/parcel/submodels/Momentum/InjectionModel/ManualInjection/ManualInjection.H
+++ b/src/lagrangian/parcel/submodels/Momentum/InjectionModel/ManualInjection/ManualInjection.H
@@ -28,7 +28,6 @@ Description
     Manual injection.
 
     User specifies:
-      - Total mass to inject
       - Parcel positions in file \c positionsFile
       - Initial parcel velocity